$Dongyue Group (00189.HK) $At one point in early trading, it fell more than 8%. As of press time, it fell 5.46% to HK $8.65, with a turnover of HK $97.7018 million.

On the news, Credit Suisse released a research report saying that the mainland proton exchange membrane (PEM) is the core component of hydrogen energy fuel cell vehicle engine, the competition in PEM market is becoming increasingly fierce, more and more companies have announced their PEM expansion plans, and as Dongyue Group reached a strategic partnership with Yihuatong as early as 2019, the bank believes that the company already has a first-mover advantage. Maintain Dongyue Group's "outperform" rating, downgrade the 2022-24 earnings forecast per share by 1%, and lower the target price from HK $14.40 to HK $14.20.